[Bug 101672] radeonsi: 3D engines causing frequent GPU lockups

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101672

            Bug ID: 101672
           Summary: radeonsi: 3D engines causing frequent GPU lockups
           Product: Mesa
           Version: 17.1
          Hardware: Other
                OS: All
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: sonichedgehog_hyperblast00 at yahoo.com
        QA Contact: dri-devel at lists.freedesktop.org

A GPU lockup has once again been introduced in Mesa and / or the RadeonSI
driver. As is usual with this sort of thing, the image immediately freezes in
place while audio stops and every form of input becomes unresponsive (including
the NumLock / CapsLock keyboard leds), the only option being to power the
machine off and back on. I started noticing this crash roughly a month ago
after a distribution upgrade (openSUSE Tumbleweed).

The crash only appears to be caused by 3D rendering. It's probabilistic but
very frequent. It is triggered by a variety of game engines, and I've noticed
it with at least the following ones:

- Blender 3D: When opening certain scenes in Blender and going into Weight
Paint mode, the system is bound to crash in at most 5 minutes of usage.

- Second Life: Linux native viewers for Second Life also trigger this, I
believe somewhere between 5 and 30 minutes estimate.

- Xonotic (Darkplaces engine): Starting a game will freeze the machine anywhere
between instantly (the moment a game starts) and 30 minutes at most.

- The Dark Mod (idTech 4 engine): The same freeze will occur when playing
TheDarkMod, anywhere between instantly and roughly 10 minutes at most.

- MineCraft: The native version of Minecraft can also trigger the crash, after
at most 1 hour of playing a game especially on servers with a lot of geometry.

My OS is openSUSE Tumbleweed x64. My current Mesa version is 17.1.3, I can
confirm first noticing this in 17.1.1, but I don't know if the issue was
introduced in 17.1.0 or prior. My video card is a Radeon R7 370 (Gigabyte),
Pitcairn Islands GPU, GCN 1.0, RadeonSI. Official product page:
http://www.gigabyte.com/products/product-page.aspx?pid=5469

Please help to address this issue soon: I am unable to use several applications
due to the risk they pose to my computer! Logs will be attached soon.

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